diff --git a/client/api/client_data/GroupSettings.ts b/client/api/client_data/GroupSettings.ts
index eeac578..dc7ab45 100644
--- a/client/api/client_data/GroupSettings.ts
+++ b/client/api/client_data/GroupSettings.ts
@@ -6,7 +6,7 @@ interface GroupSettings {
 
     // 下面两个比较特殊, 由服务端给予
     group_title: string
-    group_id: string
+    group_name: string
 
     [key: string]: unknown
 }
diff --git a/client/ui/chat/ChatFragment.tsx b/client/ui/chat/ChatFragment.tsx
index 63bb649..66fe399 100644
--- a/client/ui/chat/ChatFragment.tsx
+++ b/client/ui/chat/ChatFragment.tsx
@@ -535,10 +535,11 @@ export default function ChatFragment({ target, showReturnButton, onReturnButtonC
                                     state={groupPreferenceStore.state.group_title || ''}
                                     disabled={!chatInfo.is_admin} />
                                 <TextFieldPreference
-                                    title="设置群 ID"
+                                    title="设置群别名"
                                     icon="edit"
-                                    id="group_id"
-                                    state={groupPreferenceStore.state.group_id || ''}
+                                    id="group_name"
+                                    description="以便于添加, 可留空"
+                                    state={groupPreferenceStore.state.group_name || ''}
                                     disabled={!chatInfo.is_admin} />
                                 {/* <PreferenceHeader
                                     title="群组管理" />
diff --git a/client/ui/dialog/CreateGroupDialog.tsx b/client/ui/dialog/CreateGroupDialog.tsx
index ec28771..908ed73 100644
--- a/client/ui/dialog/CreateGroupDialog.tsx
+++ b/client/ui/dialog/CreateGroupDialog.tsx
@@ -15,13 +15,13 @@ interface Refs {
 export default function CreateGroupDialog({
     createGroupDialogRef,
 }: Refs) {
+    const inputGroupTitleRef = React.useRef<TextField>(null)
     const inputGroupNameRef = React.useRef<TextField>(null)
-    const inputGroupIdRef = React.useRef<TextField>(null)
 
     async function createGroup() {
         const re = await Client.invoke("Chat.createGroup", {
-            title: inputGroupNameRef.current!.value,
-            id: inputGroupIdRef.current!.value,
+            title: inputGroupTitleRef.current!.value,
+            name: inputGroupNameRef.current!.value,
             token: data.access_token,
         })
 
@@ -32,18 +32,18 @@ export default function CreateGroupDialog({
         })
         EventBus.emit('ContactsList.updateContacts')
 
+        inputGroupTitleRef.current!.value = ''
         inputGroupNameRef.current!.value = ''
-        inputGroupIdRef.current!.value = ''
         createGroupDialogRef.current!.open = false
     }
 
     return (
         <mdui-dialog close-on-overlay-click close-on-esc headline="创建群组" ref={createGroupDialogRef}>
-            <mdui-text-field clearable label="群组名称" ref={inputGroupNameRef as any} onKeyDown={(event) => {
+            <mdui-text-field clearable label="群组名称" ref={inputGroupTitleRef as any} onKeyDown={(event) => {
                 if (event.key == 'Enter')
-                    inputGroupIdRef.current!.click()
+                    inputGroupNameRef.current!.click()
             }}></mdui-text-field>
-            <mdui-text-field style={{ marginTop: "10px", }} clearable label="群组 ID (可选)" ref={inputGroupIdRef as any} onKeyDown={(event) => {
+            <mdui-text-field style={{ marginTop: "10px", }} clearable label="群组别名 (可选, 供查询)" ref={inputGroupNameRef as any} onKeyDown={(event) => {
                 if (event.key == 'Enter')
                     createGroup()
             }}></mdui-text-field>
diff --git a/server/api/ChatApi.ts b/server/api/ChatApi.ts
index 7b830bb..83d330a 100644
--- a/server/api/ChatApi.ts
+++ b/server/api/ChatApi.ts
@@ -334,7 +334,7 @@ export default class ChatApi extends BaseApi {
          * 创建群组
          * @param token 令牌
          * @param title 名称
-         * @param [id] 群组 ID
+         * @param [name] 群组别名
          */
         this.registerEvent("Chat.createGroup", (args, { deviceId }) => {
             if (this.checkArgsMissing(args, ['token', 'title'])) return {
@@ -353,13 +353,7 @@ export default class ChatApi extends BaseApi {
             }
             const user = User.findById(token.author) as User
 
-            const haveId = args.id && ((args.id as string) != '')
-            if (haveId && Chat.findById(args.id as string) != null) return {
-                msg: "对话 ID 已被占用",
-                code: 403,
-            }
-
-            const chat = ChatGroup.createGroup(haveId ? args.id as string : undefined)
+            const chat = ChatGroup.createGroup(args.name as string)
             chat.setTitle(args.title as string)
             chat.addMembers([
                 user.bean.id,
@@ -419,6 +413,7 @@ export default class ChatApi extends BaseApi {
                     msg: "成功",
                     data: {
                         id: args.target as string,
+                        name: chat.bean.name,
                         type: chat.bean.type,
                         title: chat.getTitle(mine),
                         avatar_file_hash: chat.getAvatarFileHash(mine) ? chat.getAvatarFileHash(mine) : undefined,
@@ -434,13 +429,14 @@ export default class ChatApi extends BaseApi {
                     msg: "成功",
                     data: {
                         id: args.target as string,
+                        name: chat.bean.name,
                         type: chat.bean.type,
                         title: chat.getTitle(),
                         avatar_file_hash: chat.getAvatarFileHash() ? chat.getAvatarFileHash() : undefined,
                         settings: {
                             ...JSON.parse(chat.bean.settings),
                             // 下面两个比较特殊, 用于群设置
-                            group_id: chat.bean.id,
+                            group_name: chat.bean.name,
                             group_title: chat.getTitle(),
                         },
                         is_member: UserChatLinker.checkUserIsLinkedToChat(token.author, chat!.bean.id),
@@ -522,8 +518,8 @@ export default class ChatApi extends BaseApi {
                     const settings = args.settings as any
                     if (settings.group_title != null)
                         chat.setTitle(settings.group_title)
-                    if (settings.group_id != null)
-                        chat.setId(settings.group_id)
+                    if (settings.group_name != null)
+                        chat.setName(settings.group_name == '' ? null : settings.group_name)
                 } else
                     return {
                         code: 403,
diff --git a/server/api/UserApi.ts b/server/api/UserApi.ts
index b276977..33f4735 100644
--- a/server/api/UserApi.ts
+++ b/server/api/UserApi.ts
@@ -317,7 +317,7 @@ export default class UserApi extends BaseApi {
             }
 
             const user = User.findById(token.author) as User
-            const chat = Chat.findById(args.target as string)
+            const chat = Chat.findById(args.target as string) || Chat.findByName(args.target as string)
             const targetUser = User.findByAccount(args.target as string) as User
             if (chat)
                 user!.addContact(chat.bean.id)
diff --git a/server/data/Chat.ts b/server/data/Chat.ts
index addbe69..34e13a6 100644
--- a/server/data/Chat.ts
+++ b/server/data/Chat.ts
@@ -27,8 +27,9 @@ export default class Chat {
                 /* 序号 */ count INTEGER PRIMARY KEY AUTOINCREMENT,
                 /* 类型 */ type TEXT NOT NULL,
                 /*  ID  */ id TEXT NOT NULL,
+                /* 检索 */ name TEXT,
                 /* 标题 */ title TEXT,
-                /* 头像 */ avatar_file_hash BLOB,
+                /* 头像 */ avatar_file_hash TEXT,
                 /* 设置 */ settings TEXT NOT NULL
             );
        `)
@@ -48,21 +49,32 @@ export default class Chat {
         return new Chat(beans[0])
     }
 
-    static create(chatId: string, type: ChatType) {
-        if (this.findAllChatBeansByCondition('id = ?', chatId).length > 0)
-            throw new DataWrongError(`对话 ID ${chatId} 已被使用`)
+    static findByName(name: string) {
+        const beans = this.findAllChatBeansByCondition('name = ?', name)
+        if (beans.length == 0)
+            return null
+        else if (beans.length > 1)
+            console.error(chalk.red(`警告: 查询 name = ${name} 时, 查询到多个相同 name 的 Chat`))
+        return new Chat(beans[0])
+    }
+
+    static create(chatName: string | undefined, type: ChatType) {
+        if (this.findAllChatBeansByCondition('id = ?', chatName || null).length > 0)
+            throw new DataWrongError(`对话名称 ${chatName} 已被使用`)
         const chat = new Chat(
             Chat.findAllChatBeansByCondition(
                 'count = ?',
                 Chat.database.prepare(`INSERT INTO Chat (
                     type,
                     id,
+                    name,
                     title,
                     avatar_file_hash,
                     settings
-                ) VALUES (?, ?, ?, ?, ?);`).run(
+                ) VALUES (?, ?, ?, ?, ?, ?);`).run(
                     type,
-                    chatId,
+                    crypto.randomUUID(),
+                    chatName || null,
                     null,
                     null,
                     "{}"
@@ -200,11 +212,11 @@ export default class Chat {
 
         return null
     }
-    setId(id: string) {
-        if (this.bean.id == id) return
-        if (Chat.findAllChatBeansByCondition('id = ?', id).length > 0)
-            throw new DataWrongError(`对话ID ${id} 已被使用`)
-        this.setAttr("id", id)
+    setName(name: string) {
+        if (this.bean.name == name) return
+        if (name != null && Chat.findAllChatBeansByCondition('name = ?', name).length > 0)
+            throw new DataWrongError(`对话名称 ${name} 已被使用`)
+        this.setAttr("name", name)
     }
     setTitle(title: string) {
         if (this.bean.type == 'private')
diff --git a/server/data/ChatBean.ts b/server/data/ChatBean.ts
index ca1f388..b653a92 100644
--- a/server/data/ChatBean.ts
+++ b/server/data/ChatBean.ts
@@ -4,6 +4,7 @@ export default class ChatBean {
     declare count: number
     declare type: ChatType
     declare id: string
+    declare name?: string
     declare title?: string
     declare avatar_file_hash?: string
     declare members_list: string
diff --git a/server/data/ChatGroup.ts b/server/data/ChatGroup.ts
index 25cc66b..4a02ed9 100644
--- a/server/data/ChatGroup.ts
+++ b/server/data/ChatGroup.ts
@@ -40,7 +40,7 @@ export default class ChatGroup extends Chat {
         return new ChatGroup(chat.bean)
     }
 
-    static createGroup(chatId?: string) {
-        return this.create(chatId || crypto.randomUUID(), 'group')
+    static createGroup(group_name?: string) {
+        return this.create(group_name, 'group')
     }
 }
\ No newline at end of file
diff --git a/server/data/ChatPrivate.ts b/server/data/ChatPrivate.ts
index 94c2179..c7c44de 100644
--- a/server/data/ChatPrivate.ts
+++ b/server/data/ChatPrivate.ts
@@ -8,11 +8,12 @@ export default class ChatPrivate extends Chat {
     }
 
     static getChatIdByUsersId(userIdA: string, userIdB: string) {
-        return [userIdA, userIdB].sort().join('------')
+        return 'priv_' + [userIdA, userIdB].sort().join('__').replaceAll('-', '_')
     }
 
     static createForPrivate(userA: User, userB: User) {
-        const chat = this.create(this.getChatIdByUsersId(userA.bean.id, userB.bean.id), 'private')
+        const chat = this.create(undefined, 'private')
+        chat.setAttr('id', this.getChatIdByUsersId(userA.bean.id, userB.bean.id))
         chat.addMembers([
             userA.bean.id,
             userB.bean.id